Specifications:Color: WhiteQuantity: 7PIECES/boxHow To UseStep 1 : Peel StripsOpen foil packet and carefully remove the whitening strips. Peel strips from backing liner. Each foil packet contains two whitening strips, one for your upper set of teeth and one for your lower set of teeth.Step 2 : Apply StripsApply gel side of whitening strip to teeth. Line-up the strip with the edge of your gum and apply gentle pressure to help mould the strip to the shape of your teeth. Fold the excess strip behind teeth to help keep strip in place.Step 3 : Remove StripsCarefully remove each strip after 30 minutes dispose of safely and brush teeth.3 Simple Steps For A White SmileSpecifications:Application:1.Extrinsic tooth discoloration(affected by coffee, tobacco, sauce, tea, food, etc)2.Intrinsic tooth discoloration(Mild fluorosis or tetracycline staining)3.Genetically yellow teeth4.Other cause of teeth discoloration5.All the people who want a whiter & brighter smile